LTC3127 Linear Technology, LTC3127 Datasheet - Page 20

• Manufacturer Part Number: LTC3127
• Description: 1A Buck-Boost DC/DC Converter
• Manufacturer: Linear Technology

LTC3127
relaTeD parTs
PART NUMBER
LTC3101
LTC3125
LTC3606B
LTC3440
LTC3441/LTC3441-2/
LTC3441-3
LTC3520
LTC3530
LTC3532
LTC3533
LTC3538
LTC3534
0
Typical applicaTion
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
C1: COOPER BUSSMANN POWERSTOR
B-SERIES, B1860-2R5107-R
L1: COILCRAFT XPL4020-472ML
DESCRIPTION
Wide V
PowerPath™ Controller
1.2A I
Converter With Adjustable Input Current Limit
800mA I
Converter with Average Input Current Limit
600mA I
DC/DC Converter
1.2A I
Converter
1A 2MHz, Synchronous Buck-Boost and 600mA
Buck Converter
600mA I
DC/DC Converter
500mA I
DC/DC Converter
2A I
Converter
800mA I
DC/DC Converter
500mA I
DC/DC Converter
●
OUT
FAX: [phone]
OUT
OUT
IN
, 2MHz, Synchronous Buck-Boost DC/DC
OUT
OUT
OUT
OUT
OUT
OUT
, 1MHz Multioutput DC/DC Converter and
, 1.6MHz, Synchronous Boost DC/DC
, 2MHz, Synchronous Buck-Boost DC/DC
, Synchronous Step-Down DC/DC
, 2MHz, Synchronous Buck-Boost
, 2MHz, Synchronous Buck-Boost
, 2MHz, Synchronous Buck-Boost
, 1MHz, Synchronous Buck-Boost
, 1MHz, Synchronous Buck-Boost
PWM
1.8V TO 5V
Single Supercapacitor Charger (1000mA Max Input Current)
OFF
BURST
V
IN
ON
●
www.linear.com
10µF
60.4k
V
MODE
SHDN
PROG
IN
SW1
SGND
COMMENTS
95% Efficiency, V
I
2mm × 3mm DFN-8 Package
3mm × 3mm DFN-8 Package
I
I
4mm × 4mm QFN-24 Package
I
I
I
I
I
94% Efficiency, V
95% Efficiency, V
95% Efficiency, V
95% Efficiency, V
95% Efficiency, V
95% Efficiency, V
95% Efficiency, V
95% Efficiency, V
95% Efficiency, V
95% Efficiency, V
SD
SD
SD
SD
SD
SD
SD
SD
LTC3127
4.7µH
< 1µA, 4mm × 4mm QFN-24 Package
< 1µA, 3mm × 3mm DFN-10 and MSOP-10 Packages
< 1µA, 3mm × 4mm DFN-12 Package
< 1µA, 3mm × 3mm DFN-10 and MSOP-10 Packages
< 1µA, 3mm × 3mm DFN-10 and MSOP-10 Packages
< 1µA, 3mm × 4mm DFN-14 Package
< 1µA, 2mm × 3mm DFN-8 Package
< 1µA, 3mm × 3mm DFN-16 and SSOP-16 Packages
L1
PGND
SW2
V
100pF
OUT
FB
V
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
C
: 1.8V to 5.5V, V
: 1.8V to 5.5V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
: 2.4V to 5.5V, V
: 2.2V to 5.5V, V
: 1.8V to 5.5V, V
: 2.4V to 5.5V, V
: 1.8V to 5.5V, V
: 2.4V to 5.5V, V
: 2.4V to 7V, V
499k
OUT
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT
OUT
OUT(MAX)
OUT
OUT
OUT
OUT
1.05M
1M
: 1.8V to 2V, I
3127 TA06
 LINEAR TECHNOLOGY CORPORATION 2010
: 2.5V to 5.5V, I
: 2.4V to 5.25V, I
: 1.8V to 5.25V, I
: 2.4V to 5.25V, I
: 1.8V to 5.25V, I
: 1.8V to 5.25V, I
: 1.8V to 5.25V, I
= 5.25V, I
= 0.6V, I
= 5.25V, I
C1
100F
www.DataSheet4U.com
V
2.5V
OUT
Q
= 25µA,
Q
Q
Q
Q
= 420µA, I
LT 0210 • PRINTED IN USA
Q
Q
Q
Q
Q
= 15µA, I
= 55µA, I
= 25µA,
= 50µA,
= 40µA,
= 35µA,
= 40µA,
= 35µA,
Q
= 35µA,
SD
SD
SD
< 1µA,
< 1µA,
< 1µA,
3127f